CN108155484A - Wide band dual polarization wall aerial - Google Patents
Wide band dual polarization wall aerial Download PDFInfo
- Publication number
- CN108155484A CN108155484A CN201711278834.9A CN201711278834A CN108155484A CN 108155484 A CN108155484 A CN 108155484A CN 201711278834 A CN201711278834 A CN 201711278834A CN 108155484 A CN108155484 A CN 108155484A
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- China
- Prior art keywords
- low
- frequency
- feed
- frequency range
- high band
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of wide band dual polarization wall aerials,Including reflecting plate,+ 45 ° of polarization ports,45 ° of polarization ports,First low-frequency range feed cable,Second low-frequency range feed cable,First high band feed cable and the second high band feed cable,Reflecting plate is equipped with low frequency radiation oscillator,High frequency radiation oscillator,First frequency dividing unification wiring board and the second frequency dividing unification wiring board,Low frequency radiation oscillator and high frequency radiation oscillator use zinc die casting alloys integration metal structure oscillator,First feed copper sheet there are two being set on low frequency radiation oscillator,The one group of low frequency half-wave doublet welded in low frequency radiation oscillator by one of them first feed copper sheet is connect with one end of the first low-frequency range feed cable,The other end of first low-frequency range feed cable connect and passes through with the low frequency output of the first frequency dividing unification wiring board and is welded and fixed.Small volume of the present invention, lighter in weight, thinner thickness, dual-port, frequency band is wider, radiance is preferable.
Description
Technical field
The present invention relates to field of antenna, more particularly to a kind of wide band dual polarization wall aerial.
Background technology
" room divided antenna " is one of component of most critical of mobile communication indoor distribution system, the direct shadow of quality of performance
The effect to in-door covering is rung, at present the Wide-band wall aerial of domestic existing reduced size, performance indicator is not ideal, and one
Be antenna bandwidth it is inadequate, frequency range generally in 806MHz~960MHz/1710MHz~2700MHz, lacks LTE system
Low-frequency range (698MHz~806MHz)；Second is that small part Wide-band wall aerial frequency range can reach 698MHz~960MHz/
1710MHz~2700MHz, but standing-wave ratio 2~2.5 hereinafter, front and rear than being less than 20dB, the half-power angle of horizontal plane compared with
Greatly, close or larger than 90 ° radiance indexs are poor, and particularly the half-power angle of horizontal plane is in the discreteness of entire frequency range
Greatly, not enough convergence influences the quality of indoor distribution system network covering, while operator avoids engineering for investment reduction cost
Repeated construction, it is desirable that antenna can be operated in frequency band as wider as possible, and existing wall aerial is difficult to take into account entire frequency
Section, even if small part circuitry specifications can meet wide band requirement, but radiance index is difficult to meet operator's proposition
It is required that.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of small volume, again
Amount is relatively light, thinner thickness, dual-port, frequency band are wider, the preferably wide band dual polarization wall aerial of radiance.
The technical solution adopted by the present invention to solve the technical problems is：Construct a kind of wide band dual polarization wall hanging day
Line, including reflecting plate ,+45 ° of polarization ports, -45 ° of polarization ports, the first low-frequency range feed cable, the second low-frequency range feed electricity
Cable, the first high band feed cable and the second high band feed cable, the reflecting plate are equipped with low frequency radiation oscillator, high frequency spoke
Penetrate oscillator, the first frequency dividing unification wiring board and the second frequency dividing unification wiring board, the low frequency radiation oscillator and high frequency radiation oscillator
Using zinc die casting alloys integration metal structure oscillator, set that there are two the first feed copper sheet, institutes on the low frequency radiation oscillator
State in low frequency radiation oscillator by one of them described first feed copper sheet weld one group of low frequency half-wave doublet with it is described
One end connection of first low-frequency range feed cable, the other end of the first low-frequency range feed cable are unified with the described first frequency dividing
The low frequency output of wiring board is connected and is passed through and is welded and fixed, and passes through the first feed another described in the low frequency radiation oscillator
Another group of low frequency half-wave doublet of copper sheet welding is connect with one end of the second low-frequency range feed cable, and described second is low
The other end of frequency range feed cable connect and passes through with the low frequency output of the described second frequency dividing unification wiring board and is welded and fixed；
Second feeds copper sheet there are two being set on the high frequency radiation oscillator, passes through one of them in the high frequency radiation oscillator
One group of high-frequency half-wave symmetrical dipole of the second feed copper sheet welding is connect with one end of the first high band feed cable,
The other end of the first high band feed cable connect and passes through with the high frequency output end of the described first frequency dividing unification wiring board
It is welded and fixed, another group of high-frequency half-wave symmetrical dipole welded in the high frequency radiation oscillator by another the second feed copper sheet
Connect with one end of the second high band feed cable, the other end of the second high band feed cable with described second point
The high frequency output end of frequency unification wiring board, which connects and passes through, to be welded and fixed；Unify with the described first frequency dividing+45 ° of polarization ports
The input terminal connection of wiring board, -45 ° of polarization ports are connect with the input terminal of the described second frequency dividing unification wiring board.
In wide band dual polarization wall aerial of the present invention, the first frequency dividing unification wiring board is equipped with the
At one low-frequency range microstrip transmission line, the first low-frequency range feed, at the first low-frequency range ground connection, the first high band microstrip transmission line,
At one high band feed, at the first high band ground connection, at first input end microstrip transmission line, first input end feed and first is defeated
Enter termination to be located in, be welded at the first low-frequency range ground connection with the outer conductor of the first low-frequency range feed cable, described first
It connect and passes through at the inner wire of low-frequency range feed cable and the first low-frequency range feed and be welded and fixed, first low-frequency range
Connect at one end of microstrip transmission line and the first low-frequency range feed, the other end of the first low-frequency range microstrip transmission line with
The first input end microstrip transmission line connects, outer with the first high band feed cable at the first high band ground connection
Conductor welds, and is connect at the inner wire of the first high band feed cable and the first high band feed and passes through welding admittedly
It is fixed, it is connect at one end of the first high band microstrip transmission line and the first high band feed, first high band is micro-
The other end with transmission line is connected with the first input end microstrip transmission line, with described first at the first input end feed
Input terminal microstrip transmission line connects, at the first low-frequency range ground connection, at the first high band ground connection and at first input end ground connection
It is equipped with the heavy copper hole of ground connection；
The second frequency dividing unification wiring board be equipped with the second low-frequency range microstrip transmission line, at the second low-frequency range feed, the
At two low-frequency range ground connection, at the second high band microstrip transmission line, the second high band feed, at the second high band ground connection, it is second defeated
Enter to hold microstrip transmission line, at the second input terminal feed and at the second input end grounding, at the second low-frequency range ground connection with it is described
The outer conductor welding of second low-frequency range feed cable, the inner wire of the second low-frequency range feed cable and second low-frequency range
It connects and passes through at feed and be welded and fixed, at one end of the second low-frequency range microstrip transmission line and the second low-frequency range feed
Connection, the other end of the second low-frequency range microstrip transmission line are connected with the second input terminal microstrip transmission line, and described second
It welds with the outer conductor of the second high band feed cable at high band ground connection, is led in the second high band feed cable
It connect and passes through at body and the second high band feed and be welded and fixed, one end of the second high band microstrip transmission line and institute
It states and is connected at the second high band feed, the other end of the second high band microstrip transmission line is passed with the second input terminal micro-strip
Defeated line connects, and is connect at the second input terminal feed with the second input terminal microstrip transmission line, second low-frequency range connects
It is located in, the heavy copper hole of ground connection is equipped at the second high band ground connection and at the second input end grounding.
In wide band dual polarization wall aerial of the present invention, the first low-frequency range microstrip transmission line is equipped with four
Group open-circuit line terminated line, the first high band microstrip transmission line are equipped with five groups of short-circuit line terminated lines, short-circuit described in every group
Heavy copper short dot is equipped on lines matching circuit, the heavy copper short dot unifies the back-side ground of wiring board with the described first frequency dividing
Conducting.
In wide band dual polarization wall aerial of the present invention, the low frequency radiation oscillator is by four the first spokes
Penetrate the integrated metal oscillator that face and the first die-cast metal column are formed, the high frequency radiation oscillator be by four the second radiating surfaces and
The integrated metal oscillator that second die-cast metal column is formed.
In wide band dual polarization wall aerial of the present invention, first radiating surface and the second radiating surface are adopted
With tapered and cambered butterfly petal shape.
In wide band dual polarization wall aerial of the present invention, the electrical length of the first radiating surface and the second radiating surface
Electrical length be 1/4 λ0, wherein, λ0Centered on frequency point the free wavelength in space.
In wide band dual polarization wall aerial of the present invention, the of each first radiating surface and its opposite
One radiating surface is connected, and pass through and be welded and fixed low frequency half-wave doublet described in one group of composition by the described first feed copper sheet,
The low frequency radiation oscillator is fixed by the first die-cast metal column and the reflection plate earthing；Each second radiating surface
It is connect with second radiating surface on its opposite by the described second feed copper sheet, and pass through and be welded and fixed high frequency half described in one group of composition
Wave symmetrical dipole, the high frequency radiation oscillator are fixed by the second die-cast metal column and the reflection plate earthing.
In wide band dual polarization wall aerial of the present invention, first radiating surface or the second radiating surface to institute
The height for stating reflecting plate is 1/4 λ0, wherein, λ0Centered on frequency point the free wavelength in space.
In wide band dual polarization wall aerial of the present invention, the first line card and the second line card are further included, described+
45 ° of polarization ports include the first coaxial cable and the first connector, and one end of first coaxial cable connects with first connector
It connects and passes through and be welded and fixed, the input terminal that the other end of first coaxial cable unifies wiring board with the described first frequency dividing is fed
Connection, connect and passes through at the inner wire of first coaxial cable and the first input end feed and be welded and fixed, and described the
The outer conductor of one coaxial cable is welded and fixed with connecting and passing through at the first input end ground connection；
- 45 ° of polarization port includes the second coaxial cable and the second connector, one end of second coaxial cable and institute
It states the second connector and connects and pass through and be welded and fixed, the other end of second coaxial cable unifies wiring board with the described second frequency dividing
Input terminal feed connection, connect at the inner wire of second coaxial cable and the second input terminal feed and pass through welding
It is fixed, it connect and passes through at the outer conductor of second coaxial cable and second input end grounding and be welded and fixed；
First coaxial cable is stuck on the reflecting plate fixed, second coaxial cable by first line card
It is stuck on the reflecting plate by second line card fixed.
In wide band dual polarization wall aerial of the present invention, the length of the reflecting plate for 298mm~
302mm, width are 195mm~199mm, and thickness is 1.5mm~1.7mm, and material therefor is aluminium alloy plate.
Implement the wide band dual polarization wall aerial of the present invention, have the advantages that：Due to be equipped with reflecting plate ,+
45 ° of polarization ports, -45 ° of polarization ports, the first low-frequency range feed cable, the second low-frequency range feed cable, the first high band feed
Cable and the second high band feed cable, reflecting plate are equipped with low frequency radiation oscillator, high frequency radiation oscillator, the first frequency dividing unification line
Road plate and the second frequency dividing unification wiring board, low frequency radiation oscillator and high frequency radiation oscillator use pressure using air microstrip technology
Cast zinc alloy integration metal structure oscillator is as broadband dual polarization wall aerial low-frequency range (698MHz~960MHz) and height
The radiating doublet of frequency range (1710MHz~2700MHz), the dielectric loss that the radiating doublet of circuit board structure is avoided to bring are reduced
Using dielectric loss caused by dielectric microstrip, the radiation efficiency of antenna is improved；The wide band dual polarization wall hanging day of the present invention
Line dual polarization covers, and uses when two slave antennas equal to common antenna, is built in the network coverage of wireless communication system indoor distribution
If in, the usage quantity of antenna can be reduced, saves space, therefore small volume, lighter in weight, thinner thickness, dual-port, frequency band
It is wider, radiance is preferable.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram in the wide band dual polarization wall aerial one embodiment of the present invention；
Fig. 2 is a positive structure schematic of the first frequency dividing unification wiring board in the embodiment；
Fig. 3 is another positive structure schematic of the first frequency dividing unification wiring board in the embodiment；
Fig. 4 is the structure schematic diagram of the first frequency dividing unification wiring board in the embodiment；
Fig. 5 is the structure diagram of low frequency half-wave doublet in the embodiment；
Fig. 6 is the structure diagram of the embodiment medium-high frequency half-wave doublet；
Fig. 7 is the standing wave pattern of wide band dual polarization wall aerial test in the embodiment；
Fig. 8 be the embodiment in wide band dual polarization wall aerial 698MHz measurement direction figure；
Fig. 9 be the embodiment in wide band dual polarization wall aerial 824MHz measurement direction figure；
Figure 10 be the embodiment in wide band dual polarization wall aerial 960MHz measurement direction figure；
Figure 11 be the embodiment in wide band dual polarization wall aerial 1710MHz measurement direction figure；
Figure 12 be the embodiment in wide band dual polarization wall aerial 2170MHz measurement direction figure；
Figure 13 be the embodiment in wide band dual polarization wall aerial 2690MHz measurement direction figure.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
In the wide band dual polarization wall aerial embodiment of the present invention, the structure of the wide band dual polarization wall aerial
Schematic diagram is as shown in Figure 1.In Fig. 1, which includes reflecting plate 1 ,+45 ° of polarization port, -45 ° of poles
Change port, the first low-frequency range feed cable 41, the second low-frequency range feed cable 42, the first high band feed cable 51 and second are high
Frequency range feed cable 52, reflecting plate 1 are equipped with low frequency radiation oscillator 6,8 and of the frequency dividing unification wiring board of high frequency radiation oscillator 7, first
Second frequency dividing unification wiring board 9, using air microstrip technology, low frequency radiation shakes for low frequency radiation oscillator 6 and high frequency radiation oscillator 8
Son 6 uses zinc die casting alloys integration metal structure oscillator low as broadband dual polarization wall aerial with high frequency radiation oscillator 8
The radiating doublet of frequency range (698MHz~960MHz) and high band (1710MHz~2700MHz), avoids the radiation of circuit board structure
The dielectric loss that oscillator is brought reduces the radiation efficiency for using dielectric loss caused by dielectric microstrip, improving antenna.
In the present embodiment, set on low frequency radiation oscillator 6 there are two the first feed copper sheet 61, passed through in low frequency radiation oscillator 6
The one group of low frequency half-wave doublet and one end of the first low-frequency range feed cable 41 that one of them first feed copper sheet 61 welds
Connection, the other end of the first low-frequency range feed cable 41 connect and pass through with the low frequency output of the first frequency dividing unification wiring board 8
It is welded and fixed, another group of low frequency half-wave doublet welded in low frequency radiation oscillator 6 by another the first feed copper sheet 61
It is connect with one end of the second low-frequency range feed cable 42, the other end of the second low-frequency range feed cable 42 and the second frequency dividing unification line
The low frequency output of road plate 9 is connected and is passed through and is welded and fixed.
Set on high frequency radiation oscillator 7 there are two the second feed copper sheet 71, in high frequency radiation oscillator 7 by one of them second
One group of high-frequency half-wave symmetrical dipole that feed copper sheet 71 welds is connect with one end of the first high band feed cable 51, the first high frequency
The other end of section feed cable 51 connect and passes through with the high frequency output end of the first frequency dividing unification wiring board 8 and is welded and fixed, high frequency
Another group of high-frequency half-wave symmetrical dipole and the second high band welded in radiating doublet 7 by another the second feed copper sheet 71 is presented
One end connection of electrical cables 52, the other end of the second high band feed cable 52 and the high frequency of the second frequency dividing unification wiring board 9 are defeated
Outlet is connected and is passed through and is welded and fixed；+ 45 ° of polarization ports are connect with the input terminal of the first frequency dividing unification wiring board 8, -45 ° of polarization
Port is connect with the input terminal of the second frequency dividing unification wiring board 9.
+ 45 ° and -45 ° dual polarizations of the wide band dual polarization wall aerial of the present invention cover, equal to common antenna when two pairs
Antenna uses, and in the network coverage of wireless communication system indoor distribution is built, can reduce the usage quantity of antenna, save empty
Between, therefore small volume, lighter in weight, thinner thickness, dual-port, frequency band are wider, radiance is preferable.
Fig. 2 is the positive structure schematic of the first frequency dividing unification wiring board in the present embodiment；Fig. 3 is first in the present embodiment
The structure schematic diagram of frequency dividing unification wiring board；In the present embodiment, 8 are equipped with the first low-frequency range on the first frequency dividing unification wiring board
803, first high band microstrip transmission line at 802, first low-frequency range ground connection at microstrip transmission line 801, the first low-frequency range feed
804th, 806, first input end microstrip transmission line 807, first inputs at the 805, first high band ground connection at the first high band feed
It holds at feed 809 at 808 and first input end ground connection, wherein, 803 and the first low-frequency range feed cable at the first low-frequency range ground connection
41 outer conductor welding, the inner wire of the first low-frequency range feed cable 41 connect at the first low-frequency range feed 802 and pass through weldering
Fixation is connect, one end of the first low-frequency range microstrip transmission line 801 is connect at the first low-frequency range feed 802, the first low-frequency range micro-strip
The other end of transmission line 801 is connected with first input end microstrip transmission line 807,806 and first high frequency at the first high band ground connection
The outer conductor welding of section feed cable 51, the inner wire of the first high band feed cable 51 connect at the first high band feed 805
It connecing and passes through and be welded and fixed, one end of the first high band microstrip transmission line 804 is connect at the first high band feed 805, and first
The other end of high band microstrip transmission line 804 is connected with first input end microstrip transmission line 807,808 at first input end feed
It is connect with first input end microstrip transmission line 807, at the first low-frequency range ground connection 806 and first defeated at the 803, first high band ground connection
Enter termination and be located in 809 to be equipped with the heavy copper hole 80 of ground connection, the effect for being grounded heavy copper hole 80 is the back of the body with the first frequency dividing unification wiring board 8
Face earth-continuity.
The structure that the structure of second frequency dividing unification wiring board 9 unifies wiring board with the first frequency dividing is the same, therefore in figure
It is not drawn into.Second frequency dividing unification wiring board be equipped with the second low-frequency range microstrip transmission line, at the second low-frequency range feed, the second low frequency
Section ground connection at, at the second high band microstrip transmission line, the second high band feed, at the second high band ground connection, the second input terminal it is micro-
At band transmission line, the second input terminal feed and at the second input end grounding, fed at the second low-frequency range ground connection with the second low-frequency range
The outer conductor of cable 42 welds, and is connect at the inner wire of the second low-frequency range feed cable 42 and the second low-frequency range feed and passes through weldering
Fixation is connect, is connect at one end of the second low-frequency range microstrip transmission line and the second low-frequency range feed, the second low-frequency range microstrip transmission line
The other end connected with the second input terminal microstrip transmission line, it is outer with the second high band feed cable 52 at the second high band ground connection
Conductor welds, and connect and passes through at the inner wire of the second high band feed cable 52 and the second high band feed and is welded and fixed, the
Connect at one end of two high band microstrip transmission lines and the second high band feed, the other end of the second high band microstrip transmission line with
Second input terminal microstrip transmission line connects, and is connect at the second input terminal feed with the second input terminal microstrip transmission line, the second low frequency
Section ground connection place is equipped with the heavy copper hole of ground connection at the second high band ground connection and at the second input end grounding, and acting on is and second point
The back-side ground conducting of frequency unification wiring board 9.
The design of the first frequency dividing unification frequency dividing unification wiring board 9 of wiring board 8 and second is exactly the low-frequency range output terminal
The high band of (698MHz~960MHz) and output terminal (1710MHz~2700MHz) unifies circuit in its input terminal by frequency dividing
Feed connection shows double frequency frequency range (698MHz~960MHz/1710MHz that a polarization port has low-frequency range and high band
~2700MHz) characteristic；Low-frequency range (698MHz~960MHz), output terminal in output terminal high band (1710MHz~
2700MHz) and in the microstrip impedance matching of input terminal, using completely new unique design, it is designed to more piece
Impedance transformation line, short-circuit line and open-circuit line are formed, and micro- with frequency dividing unification that the microstrip of input terminal links together
Band transmission-line structure.Specifically, in the present embodiment, the first low-frequency range microstrip transmission line 801 is equipped with four groups of open-circuit line matched lines
Road 101, the first high band microstrip transmission line 804 are equipped with five groups of short-circuit line terminated lines 401, every group of short-circuit line terminated line 401
On be equipped with heavy copper short dot 402, short-circuit line passes through the back-side ground that the heavy frequency dividing of copper short dot 402 and first unifies wiring board 8
Conducting.Low-frequency range microstrip transmission line and high band microstrip transmission line are designed to irregular shape, it is micro- on wiring board by changing
The spacing of size, shape and microstrip transmission line with transmission line obtains the preferable unit for electrical property parameters of antenna.
In the present embodiment, low frequency radiation oscillator 6 is the one being made of four the first radiating surfaces and the first die-cast metal column
Change metal oscillator, high frequency radiation oscillator 7 is that the integrated metal being made of four the second radiating surfaces and the second die-cast metal column shakes
Son.First radiating surface and the second radiating surface use tapered and cambered butterfly petal shape so that distributing point reaches each
The electrical length at top is gradual change, so as to reach the resonance of each frequency point.Due to radiating doublet radiating surface using tapered and
Cambered butterfly petal shape design, equal to the radiating surface of the radiating doublet top connected it is different seamlessly transit section,
So that along antenna surface current reflection very little, so as to impedance and the bandwidth of being effectively widened, the broadband properties of frequency range are realized.
In the present embodiment, the electrical length of the electrical length of the first radiating surface and the second radiating surface is 1/4 λ 0, wherein, λ 0 is
The free wavelength in space of center frequency point.
Fig. 5 is the structure diagram of low frequency half-wave doublet in the present embodiment；Fig. 6 is the present embodiment medium-high frequency half-wave pair
Claim the structure diagram of oscillator.Each first radiating surface is connect with first radiating surface on its opposite by the first feed copper sheet 61,
And pass through to be welded and fixed and form one group of low frequency half-wave doublet 62, low frequency radiation oscillator 6 is by the first die-cast metal column and instead
The ground connection of plate 1 is penetrated to fix；Each second radiating surface is connect, and pass through with second radiating surface on its opposite by the second feed copper sheet 71
It is welded and fixed and forms one group of high-frequency half-wave symmetrical dipole 72, high frequency radiation oscillator 72 passes through the second die-cast metal column and reflecting plate 1
Ground connection is fixed.
The height of first radiating surface or the second radiating surface to 1 plate of reflection is 1/4 λ0, wherein, λ0Centered on frequency point space from
By wavelength.
A kind of multiple improve and perfect of the wide band dual polarization wall aerial product through sample of the present invention, most afterwards through instrument
The detection verification of device, frequency range can reach 698MHz~960MHz/1710MHz~2700MHz, and broadband has reached than same
The more perfect coverage area of class product and more excellent performance can be applied in all kinds of cordless communication network coverings, including LTE systems
The low-frequency range (698MHz~806MHz) of system, CDMA frequency ranges (806MHz~896MHz), GSM frequency ranges (890MHz~960MHz),
DCS frequency ranges (1710MHz~1880MHz), PCS frequency ranges (1850MHz~1990MHz), TD-SCDMA, WCDMA, CDMA2000 frequencies
Section (1920MHz~2170MHz), WLAN frequency ranges (2400MHz~2500MHz), LTE frequency ranges (2300MHz~2400MHz,
2500MHz~2700MHz)；Low-frequency range (698MHz~960MHz) gain reaches 6~7dBi or so, and standing-wave ratio 1.70 is hereinafter, height
Frequency range (1710MHz~2700MHz) gain reaches 7~8dBi or so, and standing-wave ratio 1.5 is hereinafter, the horizontal plane half-power angle of antenna
70~80 °, compare before and after 60~70 ° of vertical plane half-power angle and be more than 22dB, reference can be made to Fig. 7~Figure 13, Fig. 7 are wide in the present embodiment
The standing wave pattern of the dual polarization wall aerial test of frequency band；Fig. 8 is that wide band dual polarization wall aerial exists in the present embodiment
The measurement direction figure of 698MHz；Fig. 9 be the present embodiment in wide band dual polarization wall aerial 824MHz measurement direction figure；
Figure 10 be the present embodiment in wide band dual polarization wall aerial 960MHz measurement direction figure；Figure 11 is wide in the present embodiment
The dual polarization wall aerial of frequency band is in the measurement direction figure of 1710MHz；Figure 12 is wide band dual polarization wall hanging in the present embodiment
Antenna is in the measurement direction figure of 2170MHz；Figure 13 be the present embodiment in wide band dual polarization wall aerial 2690MHz survey
Try directional diagram.The present invention can meet the requirement of the network coverage of various wireless communication system indoor distributions.
In the present embodiment, which further includes the first line card 10 and the second line card 11 ,+45 °
Polarization port includes the first coaxial cable 21 and the first connector 22, and one end of the first coaxial cable 21 is connect simultaneously with the first connector 22
By being welded and fixed, the input terminal feed of the other end of the first coaxial cable 21 and the first frequency dividing unification wiring board 8 connects, and first
The inner wire of coaxial cable 21 connect and passes through at first input end feed 808 and is welded and fixed, outside the first coaxial cable 21
Conductor connect and passes through at first input end ground connection 809 and is welded and fixed.
- 45 ° of polarization ports include the second coaxial cable 31 and the second connector 32, one end and second of the second coaxial cable 31
Connector 32 is connected and is passed through and is welded and fixed, the input terminal of the other end of the second coaxial cable 32 and the second frequency dividing unification wiring board 9
Feed connection, connect and passes through at the inner wire of the second coaxial cable 31 and the second input terminal feed and be welded and fixed, and second coaxially
It connect and passes through at the outer conductor of cable 31 and the second input end grounding and be welded and fixed；First coaxial cable 21 passes through the first line card
10 are stuck in fixation on reflecting plate 1, and the second coaxial cable 31 is stuck in by the second line card 11 on reflecting plate 1 fixed.
It is noted that in the present embodiment, the length of reflecting plate 1 is 298mm~302mm, width for 195mm~
199mm, thickness are 1.5mm~1.7mm, and material therefor is aluminium alloy plate.Feeding network is additionally provided on reflecting plate 1, for low
Radio-frequency radiation oscillator and high frequency radiation oscillator are fed, specifically, feeding network includes being printed on the conjunction of the first frequency dividing with microstrip line
Being fed respectively to low frequency radiation oscillator 6 and high frequency radiation oscillator 7 on one wiring board 8 and the second frequency dividing unification wiring board 9
Microstrip transmission line, low-and high-frequency feed cable, connector and the coaxial cable that is connected with connector etc..
In short, the wide band dual polarization wall aerial of the present invention has small volume, thinner thickness, lighter in weight, double
Port, frequency band are wider and the advantages that radiance index is excellent, while the wide band dual polarization wall aerial of the present invention is double
Polarization covering is used equal to common antenna when two slave antennas, in the network coverage of wireless communication system indoor distribution is built,
The usage quantity of antenna can be reduced, saves space, and antenna structure is relatively simple, cost is relatively low, and installation is more convenient.The present invention
Wide band dual polarization wall aerial can be used for the telecommunications uses of all frequency ranges of 698MHz-2700MHz simultaneously.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of wide band dual polarization wall aerial, which is characterized in that including reflecting plate ,+45 ° of polarization ports, -45 ° of polarization
Port, the first low-frequency range feed cable, the second low-frequency range feed cable, the first high band feed cable and the second high band feed
Cable, the reflecting plate are equipped with low frequency radiation oscillator, high frequency radiation oscillator, the first frequency dividing unification wiring board and the second frequency dividing and close
One wiring board, the low frequency radiation oscillator and high frequency radiation oscillator are using zinc die casting alloys integration metal structure oscillator, institute
The first feed copper sheet there are two being set on low frequency radiation oscillator is stated, passes through the first feedback one of them described in the low frequency radiation oscillator
One group of low frequency half-wave doublet of electrolytic copper piece welding is connect with one end of the first low-frequency range feed cable, and described first is low
The other end of frequency range feed cable connect and passes through with the low frequency output of the described first frequency dividing unification wiring board and is welded and fixed, institute
State in low frequency radiation oscillator by another described first feed copper sheet weld another group of low frequency half-wave doublet with it is described
One end connection of second low-frequency range feed cable, the other end of the second low-frequency range feed cable are unified with the described second frequency dividing
The low frequency output of wiring board is connected and is passed through and is welded and fixed；
It is set on the high frequency radiation oscillator there are two the second feed copper sheet, by described in one of them in the high frequency radiation oscillator
One group of high-frequency half-wave symmetrical dipole of the second feed copper sheet welding is connect with one end of the first high band feed cable, described
The other end of first high band feed cable connect with the high frequency output end of the described first frequency dividing unification wiring board and passes through welding
It is fixed, another group of high-frequency half-wave symmetrical dipole by another the second feed copper sheet welding and institute in the high frequency radiation oscillator
One end connection of the second high band feed cable is stated, the other end of the second high band feed cable is closed with the described second frequency dividing
The high frequency output end of one wiring board, which connects and passes through, to be welded and fixed；Unify circuit with the described first frequency dividing in+45 ° of polarization ports
The input terminal connection of plate, -45 ° of polarization ports are connect with the input terminal of the described second frequency dividing unification wiring board.
2. wide band dual polarization wall aerial according to claim 1, which is characterized in that the first frequency dividing unification line
Road plate be equipped with the first low-frequency range microstrip transmission line, at the first low-frequency range feed, at the first low-frequency range ground connection, the first high band it is micro-
Band transmission line, at the first high band feed, the first high band ground connection at, first input end microstrip transmission line, first input end present
At electricity and at first input end ground connection, welded at the first low-frequency range ground connection with the outer conductor of the first low-frequency range feed cable
It connects, connect and pass through at the inner wire of the first low-frequency range feed cable and the first low-frequency range feed and be welded and fixed, institute
It states and is connect at one end and the first low-frequency range feed of the first low-frequency range microstrip transmission line, the first low-frequency range micro-strip transmission
The other end of line is connected with the first input end microstrip transmission line, at the first high band ground connection with first high band
The outer conductor of feed cable welds, and is connect at the inner wire of the first high band feed cable and the first high band feed
And pass through and be welded and fixed, it is connect at one end of the first high band microstrip transmission line and the first high band feed, it is described
The other end of first high band microstrip transmission line is connected with the first input end microstrip transmission line, the first input end feed
Place is connect with the first input end microstrip transmission line, at the first low-frequency range ground connection, at the first high band ground connection and first
The heavy copper hole of ground connection is equipped at input end grounding；
The second frequency dividing unification wiring board be equipped with the second low-frequency range microstrip transmission line, at the second low-frequency range feed, it is second low
At frequency range ground connection, at the second high band microstrip transmission line, the second high band feed, at the second high band ground connection, the second input terminal
At microstrip transmission line, the second input terminal feed and at the second input end grounding, with described second at the second low-frequency range ground connection
The outer conductor welding of low-frequency range feed cable, the inner wire of the second low-frequency range feed cable are fed with second low-frequency range
Place connects and passes through and is welded and fixed, and one end of the second low-frequency range microstrip transmission line at the second low-frequency range feed with connecting
It connects, the other end of the second low-frequency range microstrip transmission line is connected with the second input terminal microstrip transmission line, and described second is high
It is welded at frequency range ground connection with the outer conductor of the second high band feed cable, the inner wire of the second high band feed cable
Be welded and fixed with connecting and passing through at the second high band feed, one end of the second high band microstrip transmission line with it is described
It is connected at second high band feed, the other end of the second high band microstrip transmission line is transmitted with the second input terminal micro-strip
Line connects, and is connect at the second input terminal feed with the second input terminal microstrip transmission line, the second low-frequency range ground connection
The heavy copper hole of ground connection is equipped at place, the second high band ground connection and at the second input end grounding.
3. wide band dual polarization wall aerial according to claim 2, which is characterized in that the first low-frequency range micro-strip
Transmission line is equipped with four groups of open-circuit line terminated lines, and the first high band microstrip transmission line is equipped with five groups of short-circuit line terminated lines,
Heavy copper short dot is equipped with described in every group on short-circuit line terminated line, the heavy copper short dot unifies circuit with the described first frequency dividing
The back-side ground conducting of plate.
4. the wide band dual polarization wall aerial according to claims 1 to 3 any one, which is characterized in that described low
Radio-frequency radiation oscillator is the integrated metal oscillator being made of four the first radiating surfaces and the first die-cast metal column, the high frequency radiation
Oscillator is the integrated metal oscillator being made of four the second radiating surfaces and the second die-cast metal column.
5. wide band dual polarization wall aerial according to claim 4, which is characterized in that first radiating surface and
Two radiating surfaces use tapered and cambered butterfly petal shape.
6. wide band dual polarization wall aerial according to claim 5, which is characterized in that the electrical length of the first radiating surface
Electrical length with the second radiating surface is 1/4 λ0, wherein, λ0Centered on frequency point the free wavelength in space.
7. wide band dual polarization wall aerial according to claim 6, which is characterized in that each first radiating surface
It is connect with first radiating surface on its opposite by the described first feed copper sheet, and pass through and be welded and fixed low frequency half described in one group of composition
Wave symmetrical dipole, the low frequency radiation oscillator are fixed by the first die-cast metal column and the reflection plate earthing；Each institute
The second radiating surface is stated to connect, and pass through and be welded and fixed composition one by the described second feed copper sheet with second radiating surface on its opposite
The group high-frequency half-wave symmetrical dipole, the high frequency radiation oscillator pass through the second die-cast metal column and the reflection plate earthing
It is fixed.
8. wide band dual polarization wall aerial according to claim 7, which is characterized in that first radiating surface or
The height of two radiating surfaces to the reflecting plate is 1/4 λ 0, wherein, the free wavelength in the space of frequency point centered on λ 0.
9. wide band dual polarization wall aerial according to claim 2, which is characterized in that further include the first line card and
Two line cards ,+45 ° of polarization port include the first coaxial cable and the first connector, one end of first coaxial cable and institute
It states the first connector and connects and pass through and be welded and fixed, the other end of first coaxial cable unifies wiring board with the described first frequency dividing
Input terminal feed connection, connect at the inner wire of first coaxial cable and the first input end feed and pass through welding
Fixed, the outer conductor of first coaxial cable is welded and fixed with connecting and passing through at the first input end ground connection；
- 45 ° of polarization ports include the second coaxial cable and the second connector, one end of second coaxial cable and described the
Two connectors are connected and are passed through and are welded and fixed, and the other end of second coaxial cable is defeated with the described second frequency dividing unification wiring board
Enter end feed connection, connect at the inner wire of second coaxial cable and the second input terminal feed and pass through welding and is solid
Calmly, it connect and passes through at the outer conductor of second coaxial cable and second input end grounding and be welded and fixed；
First coaxial cable is stuck on the reflecting plate by first line card and fixed, and second coaxial cable passes through
Second line card is stuck on the reflecting plate fixed.
10. wide band dual polarization wall aerial according to claim 1 or 2, which is characterized in that the length of the reflecting plate
It spends for 298mm~302mm, width is 195mm~199mm, and thickness is 1.5mm~1.7mm, and material therefor is aluminium alloy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278834.9A CN108155484B (en) | 2017-12-06 | 2017-12-06 | Broadband dual-polarized wall-mounted antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278834.9A CN108155484B (en) | 2017-12-06 | 2017-12-06 | Broadband dual-polarized wall-mounted antenna |
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| CN108155484A true CN108155484A (en) | 2018-06-12 |
| CN108155484B CN108155484B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711278834.9A Active CN108155484B (en) | 2017-12-06 | 2017-12-06 | Broadband dual-polarized wall-mounted antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181024A (en) * | 2017-05-23 | 2017-09-19 | 广东盛路通信科技股份有限公司 | Micro-strip combiner and its mounting structure |
| CN109728424A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Four port sucker combined antennas |
| CN109728411A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Apply the terminal antenna in WLAN |
| CN110112581A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of miniaturization single polarization wall aerial |
| CN110112582A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of dual polarization wall aerial of multiband |
| CN110534877A (en) * | 2019-08-22 | 2019-12-03 | 上海海积信息科技股份有限公司 | A kind of NR antenna and vehicle-mounted antenna system |
| CN112216959A (en) * | 2019-07-10 | 2021-01-12 | 广州创锦通信技术有限公司 | Broadband dual-polarized directional antenna |
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| CN203521632U (en) * | 2013-10-11 | 2014-04-02 | 广东盛华德通讯科技股份有限公司 | LTE dual-polarization wall-mounted antenna |
| CN104466362A (en) * | 2014-12-12 | 2015-03-25 | 浙江佳源通讯技术有限公司 | High-gain multi-frequency-band high-speed railway coverage planar antenna |
| CN206163720U (en) * | 2016-11-21 | 2017-05-10 | 苏州市天烨机械工程有限公司 | Transcription is frequency double polarization directional aerial entirely |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203521632U (en) * | 2013-10-11 | 2014-04-02 | 广东盛华德通讯科技股份有限公司 | LTE dual-polarization wall-mounted antenna |
| CN104466362A (en) * | 2014-12-12 | 2015-03-25 | 浙江佳源通讯技术有限公司 | High-gain multi-frequency-band high-speed railway coverage planar antenna |
| CN206163720U (en) * | 2016-11-21 | 2017-05-10 | 苏州市天烨机械工程有限公司 | Transcription is frequency double polarization directional aerial entirely |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181024A (en) * | 2017-05-23 | 2017-09-19 | 广东盛路通信科技股份有限公司 | Micro-strip combiner and its mounting structure |
| CN109728424A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Four port sucker combined antennas |
| CN109728411A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Apply the terminal antenna in WLAN |
| CN109728411B (en) * | 2018-11-27 | 2020-09-11 | 广州创锦通信技术有限公司 | Terminal antenna applied to wireless local area network |
| CN110112581A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of miniaturization single polarization wall aerial |
| CN110112582A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of dual polarization wall aerial of multiband |
| CN112216959A (en) * | 2019-07-10 | 2021-01-12 | 广州创锦通信技术有限公司 | Broadband dual-polarized directional antenna |
| CN110534877A (en) * | 2019-08-22 | 2019-12-03 | 上海海积信息科技股份有限公司 | A kind of NR antenna and vehicle-mounted antenna system |
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| CN108155484B (en) | 2021-07-30 |
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